/*
 * This file is part of Sponge, licensed under the MIT License (MIT).
 *
 * Copyright (c) SpongePowered <https://www.spongepowered.org>
 * Copyright (c) contributors
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package org.spongepowered.common.entity.attribute;

import com.google.common.base.Preconditions;
import org.spongepowered.api.entity.attribute.AttributeModifier;
import org.spongepowered.api.entity.attribute.AttributeOperation;

import java.util.UUID;

public final class SpongeAttributeModifierBuilder implements AttributeModifier.Builder {
    // Use a random id
    private UUID id = UUID.randomUUID();
    private String name;
    private AttributeOperation operation;
    private double amount;

    public SpongeAttributeModifierBuilder() {
    }

    @Override
    public AttributeModifier.Builder id(final UUID id) {
        this.id = Preconditions.checkNotNull(id, "Modifier id cannot be null");
        return this;
    }

    @Override
    public AttributeModifier.Builder name(final String name) {
        this.name = Preconditions.checkNotNull(name, "Name cannot be null");
        return this;
    }

    @Override
    public AttributeModifier.Builder operation(final AttributeOperation operation) {
        this.operation = Preconditions.checkNotNull(operation, "Operation cannot be null");
        return this;
    }

    @Override
    public AttributeModifier.Builder amount(final double amount) {
        this.amount = amount;
        return this;
    }

    @Override
    public AttributeModifier build() {
        Preconditions.checkNotNull(this.name, "Name must be set");
        Preconditions.checkNotNull(this.operation, "Operation must be set");
        return (AttributeModifier) new net.minecraft.world.entity.ai.attributes.AttributeModifier(this.id, this.name, this.amount, (net.minecraft.world.entity.ai.attributes.AttributeModifier.Operation) (Object) this.operation);
    }

    @Override
    public AttributeModifier.Builder reset() {
        // Randomize id when reset
        this.id = UUID.randomUUID();
        this.name = null;
        this.amount = 0.0D;
        this.operation = null;
        return this;
    }
}
